Coat of arms of Robarts

The blazon

per pale, ar. and gu. a lion, rampant, betw. four escallops, counterchanged. — Crest, a stag s bead, erased, per fesse, erminoi.s and gu. attired or, gorged with a collar, invecked, per fesse, az. and ar. thereon a cross, pattee, betw. two annulets or. [Borne by N. Robarts, Esq. of Charlotte-street, Bedford-square, 1826.]

A blazon is the description of a coat of arms in the technical language of heraldry. The drawing comes from that text, and from nothing else.